Home / 53,728.31-80,592.36-14,285.42

Finding the Fourth Proportional to 53,728.31, 80,592.36 and 14,285.42

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Solution

The fourth proportional to 53,728.31, 80,592.36 and 14,285.42 is: 21,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.31 : 80,592.36 = 14,285.42 : x
  2. Step 2: Convert to fraction form
    53,728.31/80,592.36 = 14,285.42/x
  3. Step 3: Cross multiply
    53,728.31x = 80,592.36 × 14,285.42
  4. Step 4: Simplify right side
    53,728.31x = 1,151,295,308.43
  5. Step 5: Solve for x
    x = 1,151,295,308.43/53,728.31
  6. Step 6: Final answer
    x = 21,428.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.